The Devi Mahatmyam is a gathering of 700 Slokas on Sri Durga from Markandeya Purana Navaratri is commended four times each year. They are Ashada Navaratri, the Sharada Navaratri, the Maha Navaratri and the Vasantha Navaratri. Of these, the Sharada Navaratri of the month of Puratashi and the Vasantha Navaratri of the Vasantha kala are exceptionally paramount. In the event that you allude to the agni purana, then it is said that the Puratashi and Panguni (in Tamil months) i.e. Asvin and Chaitra are similar to the two jaws of Lord Yama. On the off chance that one needs to escape the mouth of Yama, then one ought to celebrate Navaratri on these two events. A comparable similarity is displayed in the devi bhagavatam. Devi bhagavatam additionally talks in subtle element on how one ought to watch fasts, and how one ought to think/chip away at nowadays. As per legend, Durga sat on the tip of a needle for nine days, doing a serious retribution to annihilate the insidiousness Asura Mahisha. On the initial three days, she pondered as Herself, the following three days as Mahalakshmi and the most recent three days as Sarasvati. This connotes movement from tamsik, to rajasik to satvik and in the end getting liberation. The tenth day throughout Sharada Navaratri is called vijayadashami to mean the triumph upon the arrival of dashami. It is, be that as it may, a long custom that one peruses the devi-bhagavatam or the devi mahatmyam (Durga saptashati, 700 verses on Durga) throughout this period. Devi bhagavatam notes that Rama pondered and fasted for nine days after Sita was captured by Ravana. It is viewed as promising to discuss the Devi Maahaatmyam throughout Navaraatri .
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